Brent Christensen =
wrote: ...My
understanding is that all tires for a Syncro need to be within 2.5
mm.
Is this =
the correct
spec?...
I'd really curious if =
anybody knows
this spec *for sure*.
The tires I've been =
running for
about 800 mi. were purchased slightly used, with 2 of them having =
about
1-2mm less tread than the other 2. In retrospect, I probably =
shouldn't have
bought them, but the difference seemed so small at the time... If =
it's going
to end up messing up my drivetrain though, I'll replace them. =
The manager of my =
local highly
reputable tire shop said the difference - hardly noticeable - =
wouldn't
cause a problem - he seemed pretty knowledgeable about various awd =
systems
(Subaru, Volvo, etc.) - and he certainly had an easy opportunity to =
sell me
a new set of tires, didn't he?! The local VW dealer would only say
"They all have to be the same size and treadwear" and =
didn't know
anything about acceptable tolerances - not much help.
I know all about the =
whole
replacing all 4 (or 5) if one is bad thing, but how close do they =
really
have to be? The 1-2 mm difference only translates into several =
rotations per
mile - it seems as if turning while driving normally would account =
for
almost that much rotational difference on its own. (Would you =
eventually
ruin your VC if you drove the same direction around a racetrack for =
miles
and miles? Probably not, but I'm not an expert. And assuming =
500 laps
at Daytona won't blow the VC, would it make sense to match the =
treadwear
left to right rather than front to back? Hmmm...)
Any VW Syncro =
engineers out
there?
Doug =
Fitz-Randolph
Yarmouth, ME =
dfrandolph@talkam.net =
'90 Syncro